BTC Flow Analysis — July 31, 2021 BULL
Saturday · Minute-level BTC order flow from Binance · 1,565,380 trades
Summary
On Saturday, July 31, 2021, Bitcoin drifted lower (-1.76%) to $41,462. Net flow: +839 BTC — buyers had the edge.
BTC price (blue) and trading volume (cyan bars) per minute. Session shading: Asia (gold 00-08 UTC), Europe (green 08-14), US (red 14-00).
Flow Analysis
The -0.41 flow-price correlation reveals a mismatch — buyers crossed the spread aggressively, but price still fell -1.76%. Passive supply overwhelmed active demand.
Sustained large-player buying throughout the day. 21 bars with trade sizes 3σ+ above normal (peak: 7.2σ), spread across 00:17–23:55 UTC. The 529 BTC of whale flow reinforced the day's buying bias.
Cumulative buying pressure (purple, left axis) vs cumulative price return (yellow, right axis). When these diverge, flow and price are telling different stories.
Session Breakdown
Strip out Asia and the day would look flat. That session alone contributed 65% of the net flow (800 BTC buying).
Morning and afternoon traded like two different markets. Buyers led early (+925 BTC), sellers dominated late (-86 BTC).
Across sessions: Asia -1.58%, Europe -0.38%, US +0.19% — with Asia doing the heavy lifting.
| Session | Hours (UTC) | Return | Net Flow | Flow Share |
|---|---|---|---|---|
| Asia | 00:00 - 08:00 | -1.58% | 800 BTC | 65% |
| Europe | 08:00 - 14:00 | -0.38% | 231 BTC | 19% |
| US | 14:00 - 00:00 | 0.19% | -192 BTC | 16% |
Per-minute volume split by aggressor side. Green = actively bought at the asking price. Red = actively sold at the bid price.
Regime Context
Nothing unusual for a bull-regime day. The -1.76% return was consistent with the period's average of +0.34%.
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